50149418 has 16 divisors (see below), whose sum is σ = 82745280. Its totient is φ = 22793980.

The previous prime is 50149403. The next prime is 50149427. The reversal of 50149418 is 81494105.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6758 + ... + 12081.

It is an arithmetic number, because the mean of its divisors is an integer number (5171580).

Almost surely, 2^50149418 is an apocalyptic number.

50149418 is a deficient number, since it is larger than the sum of its proper divisors (32595862).

50149418 is a wasteful number, since it uses less digits than its factorization.

50149418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18874 (or 18852 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 50149418 is about 7081.6253784001. The cubic root of 50149418 is about 368.7697586655.

The spelling of 50149418 in words is "fifty million, one hundred forty-nine thousand, four hundred eighteen".